Ainley's Storm-petrel vs Monteiro's Storm-petrel
Hydrobates cheimomnestes so với Hydrobates monteiroi
Side-by-Side Comparison
| Thuộc Tính | Ainley's Storm-petrel | Monteiro's Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates cheimomnestes | Hydrobates monteiroi |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Hydrobatidae | Hydrobatidae |
| Tình Trạng Bảo Tồn | Vulnerable | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,1 cm (11.9 in) | 30,6 cm (12.0 in) |
| Khối Lượng | 41,15 g (1.45 oz) | 45,5 g (1.60 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Ainley's Storm-petrel only
Không
Monteiro's Storm-petrel only
Tình Trạng Bảo Tồn
Vulnerable
Ainley's Storm-petrel
Vulnerable
Monteiro's Storm-petrel
About These Birds
Ainley's Storm-petrel
Ainley's Storm-petrel, 19–21 cm, is a recently described species breeding on the Channel Islands off California, present in winter — unusual among storm-petrels which typically breed in summer. Dark overall, white rump with central grey stripe. Vulnerable; small population and restricted range.
Monteiro's Storm-petrel
Monteiro's Storm-petrel, 19–21 cm, breeds exclusively on Graciosa Island in the Azores, wintering in the central North Atlantic. Recently split from Band-rumped Storm-petrel; breeds in a different season (July–November vs March–April for Castro's). Near Threatened; very small island-restricted population.